Nicholas St. Fleur, New York Times News Service

Articles from the author

Crater the size of a city found under Greenland

Discovery could lead to insights into ice age climate, effects on it from debris eruption

In a photo provided by Svend Funder, Kurt Kjær collecting sand samples at Hiawatha Glacier in Greenland. The sand was transported by the glacier from the bottom of the crater to the surface.

Astronomers to study a mystery rock in space

Astronomers had predicted such an occurrence, but this is the first time that it has been recorded

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